have an account?【sign in】is a secured protocol used for confidential transactions
bashfordauthorA Secure Protocol for Confidential Transactions: TLS 1.3
The transmission of data over the internet is a vital part of our daily lives, from shopping and financial transactions to personal communication. To ensure the safety and confidentiality of these transactions, a secure protocol called Transport Layer Security (TLS) 1.3 is used. TLS 1.3 is an update to the previous version, TLS 1.2, which was released in 2008. The new version brings numerous improvements and updates to enhance security and performance, making it an essential tool for secure communication online.
What is TLS 1.3?
TLS, or Transport Layer Security, is a secure communication protocol that enables confidential and encrypted communication between two devices or servers. It is commonly used for secure web browsing, email, and file transfers. TLS 1.3 is the latest version of TLS, released in 2018, and it introduces several new features and updates to improve security and performance.
TLS 1.3's primary purpose is to provide confidentiality and integrity protection for data transmission. This means that the data transmitted over the internet is encrypted and cannot be intercepted or tampered with by unauthorized parties. TLS 1.3 also supports other security features, such as server identity verification and session resolution, to enhance the security of the communication channel.
Improvements in TLS 1.3
TLS 1.3 introduces several significant improvements over its predecessor, TLS 1.2. Some of the key updates include:
1. Short Handshake: TLS 1.3 eliminates the need for long handshakes, which were known to cause delays and downtime. The new protocol reduces the number of round trips required for the establishment of a secure connection, improving overall performance.
2. Harder to Break: TLS 1.3 introduces new encryption methods, such as the Encrypted PIN Protocol (EPKP) and the Extended Master Secret (EMS), to make it more difficult for attackers to compromise the security of the communication channel.
3. Better Server Identity Verification: TLS 1.3 enhances server identity verification by using a more secure method called SNI-HTTPS. This update ensures that the client can verify the authenticity of the server during the TLS handshake, reducing the risk of a man-in-the-middle attack.
4. Session Resolution: TLS 1.3 introduces session resolution, which allows clients to resolve multiple server identifiers to a single session. This feature improves the security of multi-server applications, such as web mail or web browsing, by ensuring that all communications are encrypted and secured appropriately.
5. Extended Master Secret (EMS): TLS 1.3's EMS protocol enables the use of more secure encryption keys, making it harder for attackers to compromise the confidentiality of the communication channel.
6. Server-Side CDN: TLS 1.3 allows servers to use content distribution networks (CDNs) to distribute content more efficiently, reducing the risk of DDoS attacks and improving performance for end users.
TLS 1.3 is an essential security protocol that ensures the confidentiality and integrity of transactions over the internet. Its numerous improvements and updates, such as the short handshake, hardened encryption methods, better server identity verification, and session resolution, make it an essential tool for secure communication online. As the internet becomes more interconnected and dependent on online transactions, it is crucial that businesses and individuals adopt TLS 1.3 to protect their data and ensure the security of their communication channels.